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regulator: core: Release coupled_rdevs on regulator_init_coupling() error

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[ Upstream commit 26c2c997aa1a6c5522f6619910ba025e53e69763 ]

This patch fixes memory leak which should happen if regulator's coupling
fails to initialize.

Fixes: d8ca7d184b ("regulator: core: Introduce API for regulators coupling customization")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20191025002240.25288-1-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Osipenko 2019-10-25 03:22:39 +03:00 • committed by Greg Kroah-Hartman
commit 3ee93c6fb7
1 changed files with 1 additions and 0 deletions
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1
drivers/regulator/core.c
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@ -5198,6 +5198,7 @@ unset_supplies:
regulator_remove_coupling(rdev);
mutex_unlock(&regulator_list_mutex);
wash:
kfree(rdev->coupling_desc.coupled_rdevs);
kfree(rdev->constraints);
mutex_lock(&regulator_list_mutex);
regulator_ena_gpio_free(rdev);